US 11,984,235 B2
Shutter mechanism
Charles George Hwang, Wellesley, MA (US); and James Hastings Houskeeper, Mendon, MA (US)
Assigned to Canon U.S.A., Inc., Melville, NY (US)
Filed by Canon U.S.A., Inc., Melville, NY (US)
Filed on Oct. 15, 2021, as Appl. No. 17/502,675.
Prior Publication US 2023/0123224 A1, Apr. 20, 2023
Int. Cl. G21K 1/04 (2006.01); A61B 6/00 (2006.01); G01N 23/04 (2018.01)
CPC G21K 1/04 (2013.01) [G01N 23/04 (2013.01); A61B 6/542 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A shutter device comprising:
a shuttle member, wherein the shuttle member includes a body, wherein the body includes an opening that extends through the body, and wherein at least part of the shuttle member is radiopaque;
a first actuator; and
a second actuator,
wherein the shuttle member is suspended from the first actuator and the second actuator and between the first actuator and the second actuator,
wherein the first actuator and the second actuator are positioned on opposite sides of the shuttle member,
wherein the first actuator is configured to move the shuttle member in a first direction, and
wherein the second actuator is configured to move the shuttle member in a second direction that is opposite to the first direction.